Magma is primarily a very hot liquid, which is called a 'melt. ' It is formed from the melting of rocks in the earth's lithosphere, which is the outermost shell of the earth made of the earth's crust and upper part of the mantle, and the asthenosphere, which is the layer below the lithosphere
The period is also called as the new stone age is the final ending of the stone age period about 12,000 years ago, and the first developments of the farming took place and this period was marked in the eastern parts of the country and it lasted till the catholic periods about 6500 years ago.
<u>And this period was marked by the fixed human settlement patterns and the existence of the man-made system of agriculture. This slowly spread from the fertile crescent then continued to the rest part of the world.</u>